Home / 168,028,456.80-252,042,685.20-40,377,640.80

Finding the Fourth Proportional to 168,028,456.80, 252,042,685.20 and 40,377,640.80

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Solution

The fourth proportional to 168,028,456.80, 252,042,685.20 and 40,377,640.80 is: 60,566,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,028,456.80 : 252,042,685.20 = 40,377,640.80 : x
  2. Step 2: Convert to fraction form
    168,028,456.80/252,042,685.20 = 40,377,640.80/x
  3. Step 3: Cross multiply
    168,028,456.80x = 252,042,685.20 × 40,377,640.80
  4. Step 4: Simplify right side
    168,028,456.80x = 10,176,889,009,273,074
  5. Step 5: Solve for x
    x = 10,176,889,009,273,074/168,028,456.80
  6. Step 6: Final answer
    x = 60,566,461.20

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.